Eagle SIR6135B connecting rods.
This SIR I-beam connecting rod set is rated for up to 700 horsepower.
The perfect choice for Street/Pro-Street, and classes requiring a "stock appearing rod".
An economicaly priced alternative to the time and expense involved in reworking OE connecting rods.
Eagle SIR connecting rods offer up to 50% increase in strength over the stock rods.
Critical big end sizing is controlled using in-house CNC equipment.
Common applications include:
Chevrolet 396, 402, 427 Big Block 2-piece rear seal.
Chevrolet Big Block 1-piece rear seal.
Chevrolet 502 big block 2-piece rear seal.
Chevrolet 502 big block 1-piece rear seal.
Length: 6.135 in. (stock length)
Rod journal: 2.200 in.
Housing bore: 2.3250 in.
Pin size: 0.990 in.
Bushed fit pins.
Big end width: 0.9900 in.
Pin end width: 1.1250 in.
Thickness above pin: 0.210 in.
Typical weight: 830g
Fasteners: 7/16" ARP 8740
Torque: 63 ftlbs with ARP moly lube on threads.
SIR connecting rods are forged from 5140 steel.
ARP 7/16" capscrew style bolts are used.
All rods are weight matched in sets +/-2g.
Sold as a set of 8 connecting rods.
HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time
We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page.
We will not ship to freight forwarding - expediting companies.
PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.